Citrullinated Histone H3
peptideCitrullinated histone H3 from neutrophil extracellular traps drives platelet activation and thrombus formation in STEMI.
Pathway placement
Cascade stepPlatelet adhesion & activation
Confidencehigh
RationaleNETosis-derived thromboinflammatory biomarker; neutrophil extracellular trap marker.
Also acts inVascular inflammation, Coagulation / thrombus
Druggability
Not assessed (no mapped human gene target).
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I71
C — confounder / Type-II63
A — assay feasibility66
E — evidence strength28
T1DI (composite)10
Specificity differential (R−C)+7.7
Confounder panel (Type-II drivers)
No confounder evidence retrieved.
Tier: light (literature co-occurrence proxy — lower confidence). See the discrimination table for all markers.
Assay & specimen
Class-level default (no specific cleared assay)— generic method inferred from analyte class; confirm against a specific product insert before use.
Specimen
Plasma (EDTA; peptidase-labile — chilled + protease inhibitor)
Collection tube
K2-EDTA, chilled plastic (lavender-top) · Serum separator (gold/red-top, SST)
Method / principle
Competitive/sandwich immunoassay or LC-MS/MS
Reagent / substrate
Anti-peptide antibody; or isotope-labeled internal standard (MS)
Platform
Immunoassay / LC-MS/MS
Turnaround · availability
Send-out / research · Research-grade
Literature evidence(3)
- Silent Myocardial Infarction Revisited: Immuno-metabolic Mechanisms, Multimodal Biomarkers, and Translational Diagnostics.Journal of cardiovascular translational research · 2026 · PMID 41784746 · doi
- Double-stranded DNA enhances platelet activation, thrombosis, and myocardial injury via cyclic GMP-AMP synthase.Cardiovascular research · 2025 · PMID 39302147 · doi
- Anti-citrullinated histone H3 immunoglobulin G: new antibodies highly correlate with anti-neutrophil extracellular traps antibodies and thrombosis in antiphospholipid syndrome.Journal of thrombosis and haemostasis : JTH · 2025 · PMID 40675494 · doi